EQUAÇÃO DO 2⁰ GRAU
Quiz
•
Mathematics
•
6th Grade
•
Practice Problem
•
Medium
Raylton Ferreira
Used 13+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais os coeficientes da equação
x² – 7 = 0 ?
a) a = 0, b = - 7 e c = 0
a = 1, b = 0 e c = 7
a = 1, b = 0 e c = - 7
a = 1, b = 7 e c = 0
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual é o resultado de a+b?
2
5
- 1
421
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o valor do discriminante (Δ) da equação x² - 4x + 8 = 0 ?
Δ = 16
Δ = 0
Δ=−16
Δ=48
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a solução da equação x² - 5x = 0?
S = {0}
S = {0,5}
S = {-5,0}
S = {5}
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A soma de um número e seu quádruplo teremos como resposta o número 50. Que número é esse ?
25
5
10
50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A álgebra é parte inerente da Matemática e tem como característica principal a utilização de símbolos para expressar variáveis (quantidades que variam), regularidades e outros.
Verdadeiro
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva a equação do 1° grau: 4.(x + 3) – x = 24 + x
5
4
6
7
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